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Home Q & A Board Science-Related Homework Help Physics
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Abisf Abisf
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6 years ago
Identical point charges (+20 mC) are placed at the corners of an equilateral triangle with sides of 2.0-m length. How much external energy is required to bring a charge of 45 mC from infinity to the midpoint of one side of the triangle?
 a. 26 J
  b. 16 J
  c. 23 J
  d. 21 J
  e. 12 J
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yujenni16yujenni16
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6 years ago
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Abisf Author
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6 years ago
Thanks
Zacellison
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Yesterday
You make an excellent tutor!
cipcal
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2 hours ago
this is exactly what I needed
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